﻿using System;

namespace ConsoleApp2
{
    class Vs
    {
        static void Main(string[] args)
        {
            Console.WriteLine("优秀率");
            int point = 95;
            switch (point/10)
            {
                case 9:
                    Console.WriteLine("优秀");
                    break;

                case 6:
                    Console.WriteLine("及格");
                    break;
                default:
                    Console.WriteLine("不及格");
                    break;

            }
        }
    }
}


     
